Tire tread



FIG. 1 is a perspective view showing the tire tread of our new design;

FIG. 2 is a front view thereof; and,

FIG. 3 is a left side view thereof.

In the drawings, the broken lines defining the sidewall, inner bead and the peripheral boundary between the claimed tire tread and the unclaimed sidewall depict environmental subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 